Items of analysis

Specification

Characteristic

White or almost white crystalline powder

Identification

Conforms

Solubility

Conforms

Melting range

234.0 ~ 238.0 °C

Loss on drying

≤0.5%

Residue in ignition

≤0.1%

Chloride

≤0.02%

Sulfate

≤0.02%

Heavy metals

≤0.002%

Assay

99.0 ~ 100.5%